Various parts of the wire rope hoist

1
Various parts of the wire rope hoist function
2
Electric wire rope hoist component parts of each
part of the role functions

• Section consisting of wire rope hoist can be
  divided into reducer, control box, wire rope,
  cone motor, push button switch.
•  
• The role and function of each part of which is as
  follows
•  
• Reducer is the use of three fixed axis helical
  gear transmission mechanism, gears and gear
  shafts are heat treated alloy steel, box, cover
  made from high quality cast iron, assembly
  tightly sealed.
•  
• Control Box is the use of energy off the main
  circuit in case of emergency, and a trip down the
  fire protection section of the device with a
  stopper.
•  
• Rope is the use of type lifting rope, it ensures
  durability.
•  
• Conical motor Lifting motor with a larger
  dynamic moment conical rotor brake asynchronous
  motor, no additional brake. Button switch
  hand-operated type, lightweight flexible,
  manipulation of corded and cordless remote
  control in two ways.

3
Types of wire rope hoist form

• Part of the wire rope hoist are motor,
  transmission, drum and wire rope. Mutual position
  of the motor and the reel to be roughly divided
  into four different types.
•  
• (1) The motor axis is perpendicular to the axis
  of the reel hoist using worm gear, large width
  aspect size, structure, bulky, low mechanical
  efficiency, more difficult process. Manufacturers
  currently have no such structure type of product.
•  
• (2) parallel to the axis of the roll axis motor
  is an electric hoist, the advantage of a small
  height and length dimensions. Its disadvantage is
  that the large width dimension, of the packet,
  the manufacturing and assembly complexity. Track
  turning radius.
•  
• (3) motor mounted on the reel inside the electric
  hoist, the advantage of a small length size,
  compact structure. Its main disadvantage is that
  the motor cooling conditions are poor, poor
  grouping, inspection, installation, maintenance,
  motor inconvenience, power supply unit complex.
•  
• (4) mounted on the outside of the drum wire rope
  motor hoist, the advantage of grouping is good,
  high degree of common, easily changing the lift
  height for easy installation and maintenance. Its
  disadvantages are large length dimension.

4
How should hoist overload limiter Selection

• electrical hoist is a motor, reducer and rope
  reel (or chain) as one of the small lifting
  equipment, most also with trolley, with
  single-beam bridge or gantry crane, consisting of
  a complete lifting machinery . With small size,
  light weight, simple operation, easy to use
  features, industrial and mining enterprises,
  storage terminals and other places necessary
  lifting equipment. Cranes in the process of using
  different tonnage require lifting weights, and
  therefore need to be equipped with a real-time
  monitoring of lifting heavy objects, the current
  work situation to make judgments, make the
  appropriate sound and light indication, such as
  lifting the state of normal, full load condition
  overload state automated monitoring instruments.
• From spreader rope hoist There are two main
  points one is wire rope electric hoist (left),
  and the other is a ring chain hoist.
• Currently on the market circulation of electric
  hoist overload limiter are hoist by feedback to
  the instrument collection, comparing the
  corresponding rise since taking power structure
  (weight sensor), read, display, and its current
  weight after judgment conditions indicate, quick
  disconnect electric hoist crane hook over rated
  after weight lifting loop, so that the electric
  hoist can not lift heavy objects, so as to
  protect the electric hoist and operator safety.
  For the structure of electric hoist, electric
  hoist overload limiter is divided into one-piece
  (on behalf of WTZ-A20 hoist overload limiter),
  split (on behalf of WTZ-A60 hoist overload
  limiter).
• Integrated electric hoist overload limiter sensor
  and display instruments bundled sensor is next to
  the main use of the pressure sensor. In WTZ-A20,
  for example, in the selection of such overload
  limiter, the need to focus on metallurgical
  electric hoist load, wire rope magnification,
  rope diameter and available power and other
  factors, its comprehensive error typically
  0.02 FS. One advantage of electric hoist
  overload limiter is easy to install, low prices.
  Suitable for wire rope electric hoist.
• Split hoist overload limiter general use axle pin
  sensor, S-type sensors or sensor plate ring,
  according to the electric hoist structure,
  selection easy to take force sensors. In WTZ-A60,
  for example, in the selection of the class when
  the overload limiter, in providing a load hoist,
  wire rope magnification, rope diameter and
  available power and other data, you also need to
  install the appropriate sensors to provide the
  relevant parameters, in order to purchase After
  the overload limiter can be put into normal use.
  Split hoist overload limiter force more freedom
  to take advantage of that, you can solve more
  complex security hoist overload problem. Suitable
  for ring chain hoist.